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Plants of Denver, Colorado

The plants most often spotted near Denver, ranked by recent research-grade observations.

85,035
recent observations
50
species listed
50
plants

Naturalists have logged 85,035 research-grade observations across the 50 most-recorded species near Denver. The most frequently seen is the Showy Milkweed, with 5,140 recorded sightings.

Most-observed plants near Denver

Showy Milkweed
Asclepias speciosa
5,140 observations
Great Plains Yucca
Yucca glauca
3,940 observations
Great Mullein
Verbascum thapsus
3,715 observations
Field Bindweed
Convolvulus arvensis
3,015 observations
Common Starlily
Leucocrinum montanum
2,798 observations · iNaturalist
Rubber Rabbitbrush
Ericameria nauseosa
2,722 observations · iNaturalist
Creeping Mahonia
Berberis repens
2,703 observations · iNaturalist
Rocky Mountains Ponderosa Pine
Pinus scopulorum
2,413 observations · iNaturalist
Chokecherry
Prunus virginiana
2,258 observations
Redstem Stork's-bill
Erodium cicutarium
2,102 observations · iNaturalist
Thistle Poppy
Argemone polyanthemos
2,002 observations · iNaturalist
Dotted Gayfeather
Liatris punctata
1,954 observations · iNaturalist
Front Range Beardtongue
Penstemon virens
1,951 observations · iNaturalist
Balkan Toadflax
Linaria dalmatica
1,937 observations · iNaturalist
Scarlet Globemallow
Sphaeralcea coccinea
1,895 observations
Plains Pricklypear
Opuntia polyacantha
1,752 observations
Prairie Pasqueflower
Pulsatilla nuttalliana
1,646 observations · iNaturalist
Western Spiderwort
Tradescantia occidentalis
1,636 observations
Golden Currant
Ribes aureum
1,515 observations
Sidebells Penstemon
Penstemon secundiflorus
1,412 observations · iNaturalist
American Plum
Prunus americana
1,400 observations
Musk Thistle
Carduus nutans
1,397 observations
Upright Prairie Coneflower
Ratibida columnifera
1,386 observations
Mountain Ball Cactus
Pediocactus simpsonii
1,358 observations · iNaturalist
Sulfur Buckwheat
Eriogonum umbellatum
1,341 observations
Wholeleaf Paintbrush
Castilleja integra
1,322 observations · iNaturalist
Creeping Thistle
Cirsium arvense
1,300 observations
Alfalfa
Medicago sativa
1,299 observations · iNaturalist
Rocky Mountain Juniper
Juniperus scopulorum
1,256 observations
Box Elder
Acer negundo
1,253 observations
Crossflower
Chorispora tenella
1,253 observations · iNaturalist
Rocky Mountain Beeplant
Cleomella serrulata
1,239 observations · iNaturalist
Chicory
Cichorium intybus
1,236 observations
Gunnison's Mariposa Lily
Calochortus gunnisonii
1,232 observations · iNaturalist
Lanceleaf Stonecrop
Sedum lanceolatum
1,224 observations · iNaturalist
Smooth Brome
Bromus inermis
1,204 observations
Nuttall's Violet
Viola nuttallii
1,201 observations
Common Yarrow
Achillea millefolium
1,196 observations
Lambert's Locoweed
Oxytropis lambertii
1,188 observations
Alderleaf Mountain Mahogany
Cercocarpus montanus
1,148 observations · iNaturalist
Rocky Mountain Raspberry
Rubus deliciosus
1,146 observations · iNaturalist
Broad-leaved Sweet Pea
Lathyrus latifolius
1,131 observations · iNaturalist
Wax Currant
Ribes cereum
1,124 observations · iNaturalist
Common Dandelion
Taraxacum officinale
1,116 observations
Dwarf Mallow
Malva neglecta
1,109 observations
Fringed Sagebrush
Artemisia frigida
1,105 observations · iNaturalist
Western Wallflower
Erysimum capitatum
1,096 observations · iNaturalist
Yellow Salsify
Tragopogon dubius
1,095 observations · iNaturalist
Madrean Springbeauty
Claytonia rosea
1,089 observations · iNaturalist
Wild Licorice
Glycyrrhiza lepidota
1,085 observations · iNaturalist

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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